Java tutorial
/* * Copyright (C) 2000 - 2015 aw2.0 Ltd * * This file is part of Open BlueDragon (OpenBD) CFML Server Engine. * * OpenBD is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * Free Software Foundation,version 3. * * OpenBD is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenBD. If not, see http://www.gnu.org/licenses/ * * Additional permission under GNU GPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or combining * it with any of the JARS listed in the README.txt (or a modified version of * (that library), containing parts covered by the terms of that JAR, the * licensors of this Program grant you additional permission to convey the * resulting work. * README.txt @ http://www.openbluedragon.org/license/README.txt * * http://openbd.org/ */ package com.bluedragon.mongo; import org.bson.Document; import com.mongodb.MongoException; import com.mongodb.client.MongoCollection; import com.mongodb.client.MongoDatabase; import com.mongodb.client.model.UpdateOptions; import com.naryx.tagfusion.cfm.engine.cfArgStructData; import com.naryx.tagfusion.cfm.engine.cfBooleanData; import com.naryx.tagfusion.cfm.engine.cfData; import com.naryx.tagfusion.cfm.engine.cfSession; import com.naryx.tagfusion.cfm.engine.cfmRunTimeException; public class MongoCollectionUpdate extends MongoCollectionList { private static final long serialVersionUID = 1L; public MongoCollectionUpdate() { min = 4; max = 7; setNamedParams(new String[] { "datasource", "collection", "query", "data", "upsert", "multi" }); } public String[] getParamInfo() { return new String[] { "datasource name. Name previously created using MongoRegister", "collection name", "the query to which to find the object to update", "data to save into the collection. Can be a single structure, or a JSON string (which will be converted to a structure via Mongo)", "if the database should create the element if it does not exist", "if the update should be applied to all objects matching" }; } public java.util.Map<String, String> getInfo() { return makeInfo("mongo", "Updates the data in mongo", ReturnType.BOOLEAN); } public cfData execute(cfSession _session, cfArgStructData argStruct) throws cfmRunTimeException { MongoDatabase db = getMongoDatabase(_session, argStruct); String collection = getNamedStringParam(argStruct, "collection", null); if (collection == null) throwException(_session, "please specify a collection"); cfData data = getNamedParam(argStruct, "data", null); if (data == null) throwException(_session, "please specify data to update"); cfData query = getNamedParam(argStruct, "query", null); if (query == null) throwException(_session, "please specify query to update"); boolean upsert = getNamedBooleanParam(argStruct, "upsert", false); boolean multi = getNamedBooleanParam(argStruct, "multi", false); try { MongoCollection<Document> col = db.getCollection(collection); Document qry = getDocument(query); Document dat = getDocument(data); long start = System.currentTimeMillis(); if (multi) col.updateMany(qry, dat, new UpdateOptions().upsert(upsert)); else col.updateOne(qry, dat, new UpdateOptions().upsert(upsert)); _session.getDebugRecorder().execMongo(col, "update", qry, System.currentTimeMillis() - start); return cfBooleanData.TRUE; } catch (MongoException me) { throwException(_session, me.getMessage()); return null; } } }